v3.25.4
N-2 - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cover [Abstract]          
Entity Central Index Key 0001851322        
Amendment Flag false        
Securities Act File Number 814-01489        
Document Type 10-K        
Entity Registrant Name North Haven Private Income Fund LLC        
Entity Address, Address Line One 1585 Broadway        
Entity Address, City or Town New York        
Entity Address, State or Province NY        
Entity Address, Postal Zip Code 10036        
City Area Code 212        
Local Phone Number 761-4000        
Entity Well-known Seasoned Issuer No        
Entity Emerging Growth Company false        
General Description of Registrant [Abstract]          
NAV Per Share [1] $ 18.57 $ 18.96 $ 19.11 $ 18.59 $ 20
[1] The per unit data was derived by using the weighted average units outstanding during the period, except otherwise noted.